* {
  margin: 0;
  padding: 0;
}

.nav-bar {
  display: flex;
}

.nav-item {
  height: 44px;
  line-height: 44px;
  text-align: center;
}

.nav-left,
.nav-right {
  width: 80px;
  background-color: skyblue;
}

.nav-center {
  flex: 1;
  background-color: bisque;
}
